Canon calculators games

Random line screensaver. Polynomial Pattern Finder. Finds patterns in number series. Pythagorean Theorem. Global subroutines. Global subroutines library. Displays 3x5 pixel text sample. Displays 5x5 pixel text sample. Icon Menu. Unscrewing four screws in the back reveals the display and a chip.

This is a TMS chip. The calculator comes in a cardboard box. The box has prices listed on it of A slip in the box describes the terms of the Texas Instruments warranty, effective June 13, The four lower rows of keys are similar to those found on many calculators, with ten digit keys, a change sign key, a decimal point key, four arithmetic function keys, three memory keys, and a total key. The next row up contains keys for various forms of exponents and logarithms, and an exchange key.

The next row up just below the top row of keys contains a key for converting from degrees, minutes, and seconds to decimal degrees, as well as keys for trigonometric functions. The top row of keys includes an F key for switching the functions of the function keys, and keys for powers, square roots, clear entry, and clear.

Pressing the function key converts the action of many of the keys in the top three rows. The memory keys also become keys for various statistical functions. Behind this is an eight-digit LCD display, which can show a mantissa of six digits and a two-digit exponent. At the base of the back of the calculator is a compartment for two squat cylindrical silver oxide batteries.

It also reads: NO. The calculator has a brown plastic wallet. References: [Advertisement], Washington Post , August 26, , p. Unisonic Handheld Electronic Calculator Description This handheld electronic scientific calculator has a metal and plastic case and an array of twenty-six rectangular plastic keys.

They can take on a different meaning if the orange F key is pushed. The calculator can perform basic arithmetic; compute trigonometric and inverse trigonometric functions; and compute powers, exponents, natural logarithms, common logarithms, inverses, and square roots. It also has memory keys and a key for pi. A mark above this reads: Unisonic Behind the keyboard is an eight-digit green vacuum fluorescent display.

This display also could show a five-digit mantissa and two-digit exponent with signs for both. A power jack is on the top edge. The back of the calculator has a sticker describing advanced problem solving. It reads in part: A. Below this is a compartment for four AA batteries.

References: John F. Bohsei Model Handheld Electronic Calculator Description This handheld electronic calculator has a light gray plastic case. It has ten digit keys, a decimal point key, four arithmetic function keys, and a total key. The four memory keys also have a blue background. The eight-digit green fluorescent display is behind the keyboard. The case has a compartment for AA two batteries at the back. A gold-colored paper tag reads: Serial No.

The calculator has a socket for an adapter on the top, but no adapter in this example. Newspaper advertisements indicate that a printing desktop electronic calculator was sold under the Bohsei name in References: Chicago Tribune , November 24, , p. Chicago Tribune , February 25, , p. Location Currently not on view date made ca ID Number Pushing down a function key allow one to use the digit keys to find trigonometric and inverse trigonometric functions in either degrees or radians.

Other keys are converted by the function key to give square roots, natural logs, exponents, pi, and the inverse of a number. Still others perform vaious memory functions. A convert key transforms results from scientific notation to floating point notation or vice versa. A hole for the adapter is at the back, as well as a compartment for a battery. The calculator presently has no battery. The lid of the compartment is on the back. The back has four rubber feet.

The vacuum fluorescent display is behind the keyboard. It has two digits for the exponent, five for the mantissa, and two for the sign one each for the exponent and the mantissa. References: Los Angeles Times , June 8, , p.

New York Times , June 11, , p. New York Times , October 22, , p. Chicago Tribune , January 4, , p. Washington Post , September 16, , p. These include ten digit keys, a decimal point key, four arithmetic function keys, a clear display key CK , a clear all key CA , and an arrow key pushed to show digits not indicated on the display the display shows eight digits in the result, but calculations are to sixteen digits.

The keyboard also has a switch that may be set at 0, 2, or 4 to indicate the placement of the decimal point. Behind the keyboard is a light that indicates when the battery is low. Behind this is the eight-digit gas discharge display. References: A manual is online at the wass. The calculator. The epocalc. No advertisements found. The on-off switch is on the keyboard, the eight-digit display behind this. The plug for the power supply is on the right side. A mark at the top reads: Bowmar.

It uses the Bowmar trademark registered in This example has no power supply, box, or instructions. This is one of a series devices introduced by Bowmar in the early s. USA , found they could not sell their displays to Japanese electronic calculator makers. In —71, Bowmar decided to design and manufacture portable calculators. Concept 24 Handheld Electronic Calculator Description This handheld electronic calculator has a black plastic case with an aluminum keyboard, rounded rectangular plastic keys, and a plastic display cover.

The array of twenty-four keys includes ten digit keys and a decimal point key all white , as well as four keys for arithmetic functions, a total key, a percentage key, a square root key, and a change sign key all blue. The back of the calculator has a compartment that holds two batteries. A sticker inside it reads: G. The calculator has a black plastic sleeve.

I find them to be curious but not very practical since the buttons and display are so small it is difficult to use. They demonstrate that the size of calculators and computers is often not governed by the processor, but rather the human interface. In excellent working and cosmetic condition. Relatively compact with typical scientific functions and wallet style case. Date is likely approximately since I found a book on the Internet called Conquering the Sciences, Applications for the Sharp ELS, with a publication date of Takes two AA batteries.

Battery compartment is clean. It is unique because it takes a 9 volt battery, a very large power source for an LCD calculator.

The space for the battery requires a large bulge on the back of the calculator as seen in this profile. Its power consumption at. It is still close to 10 times less than the EL above, however, which consumes. Purchased in the same lot as the EL It is in good cosmetic condition except for what looks to be some melted plastic on the back.

It does not operate since one of the battery connections is corroded. However, I cut through the plastic on the connector and held the battery up to the back side of the connections. The calculator works fine doing that. See photo Installing a new 9 volt snap connector should therefore allow it to function like new. Briley, Univ.

Purchsed in the same lot as the and In good cosmetic and working conditon. The same comment praises the for its solid construction, excellent battery life, and "really good" keys. Sharp Electronic Organizer , an electronic organizer with calculator, schedule, telephone contacts, memo, to do list, expense record, and clock. This is model YO with 32 KB. In good working condition. It takes three CR three volt lithium batteries.

I had to replace the original batteries. Unlike a calculator, at least one of these batteries draws some power all the time to keep the memory alive. That battery has a seal over it which says "Memory backup battery - Do not throw this seal away. Put back the seal after battery replacement. There are five more Sharp organizers and others from Rolodex apparently made by Franklin , Royal, and Protege.

Sharp still makes this type of organizer now with more memory. I'm guessing these are from the late s. It, like the above, is unique because it takes a 9 volt battery, a very large power source for an LCD calculator. Single memory key. In good cosmetic and working condition with the original manual in very good condition and original box in battered condition.

Sharp LCD Calculators indicates a date consistent with the higher numbered being The Instruction manual has a date code of , however, indicating that perhaps the calculator was sold for a long time. Also, Vintage Calculators lists it as having a yellow screen, while mine does not have the yellow filter indicating the calculator may have changed slightly over time. Sharp EL , scientific flourescent 8 digit calculator. Long and narrow 6. No AC option. I could not find any information on it. I removed the back, but could not view the front of the circuit board.

I assume the EL was around this time. I assume it wasn't much beyond this time, however, since my EL LCD scientific calculator, with statistical and other features not present in the EL, came out in The EL is in good working and cosmetic condition.

There is a name scratched lightly on the front. It comes with the original, although tattered, box. Sharp EL , credit card sized calculator. Has tone when keys are depressed. This can be shut off. Metal case. Two "G8" silver oxide batteries.

Power 0. Date is from this Japanese site which indicates it has 48 functions. Includes hexadecimal conversions and statistics. In excellent cosmetic and operating condition. Sharp EL Large Image small, vertical oriented, credit card sized calculator. Memory, square root and a musical tone which you can turn on or off.

Takes two G8 silver oxide batteries each 1. I tried it with two LR 1. Consumes 0. Expansion RAM card with own battery available. Takes two CR batteries. Basic programming built in. The price was therefore similar to a netbook computer today.

An emulator is available at Pocket Computer Museum. It came with the printer. I bought several other electronic items including two laptop computers and a Toshiba Libertto CT and 50CT which are very small general purpose computers and hence will be in the computer museum. The items belonged to the seller's father who was a nuclear engineer for the Navy. The computer and printer are in good cosmetic condition. I still need to dig up some batteries to try them out. Floating and fixed 0, 2 or 4 decimal.

Constant switch. Battery level gauge. Zero displays half height. Calculations slow. Dimensions: about 22cm x 14cm x 6cm Funky Goods , in Japanese, has excellent external and internal photographs. Google has a literal translation, Funky Goods English. Purchased on eBay in about Battery contacts have corrossion, but after sanding the calculator works.

Cosmetic conditon is good. Keys and logic in good working condition. Power works sometimes with the AC adapter but the wire at the adapter is loose.

The adapter can't be opened. The calculator takes two AA batteries. It works intermittently by placing aluminum foil at the contact and the two silver areas above it.

See lower left of board in interior view 1 revealed when you remove back plastic cover. Folding that board up reveals interior view 2 , showing the main circuit board connected by 12 wires to the board with the keys.

Interior view 3 shows the main circuit board. Find comprehensive information at Vintage Technology. Casio Personal I, Japan 8 digit flourcent display. In good working condition with either included AC adapter or two AA batteries. More at Vintage Technology.

Folding gives compact size, but large display. Casio fxv "Super-FX", scientific calculator purchased at Costco in the late '80s or early '90s for my wife. See Casio History for history of Casio. Casio fxG, October Japan the world's first graphing calculator. Excellent information at datamath. Comes with page owner's manual and page Computing with the Scientific Calculator.

In fair cosmetic condition with some scratches on the screen and dents on the back. In good operating condition after replacing the three 3V batteries. Replaced thinner CR with CR specified in the manual.

From mid to late s. Made in Malaysia. Manufactured by Stokes Publishing Company. Emulates Casio Copyright Made in China. Not working correctly. At first the "one" key would not work. Now there are multiple problems including problems with the display photo is suppose to have all 8s and multiple keys which do not work.

The seller refunded all the money, however. It makes a nice display piece and a mystery! Casio fx ms, purchased new in Casio Mini CM, part of the series of Casio Mini calculators with a horizontal design, the first introduced in Flourescent 6 digit display, although another six digits can be viewed by holding down the arrow key.

The six digit display was a cost saving mechanism in the early days of pocket calculators. Half height zero as in the AS-8D. Uses 4 AA batteries. An interesting essay about the importance of the rapid rise of calculators, including a discussion of the CM as the author's first calculator, is at a new site, calculator.

It is in very good cosmetic and working condition. Another in the series of Casio Mini calculators with a horizontal design, the first introduced in Uses 2 AA batteries. Uses adapter AD-2S.

Vintage Technology notes some interesting quirks. First, the information panel on the back is upside down compared to the front. Second, if you divide by zero the display shows , but if you press the arrow key to see the other digits the calculator keeps calculating away! Hewlett Packard 35, this historic model was the first scientific pocket calculator and signaled HP as an innovator in calculator design. With RPN you first enter the number and then tell the calculator what to do with it.

According to an HP article on RPN , RPN has several advantages over typical algebraic entry including showing intermediate answers and using fewer keystrokes. HP says it's easy, and now even has a virtual RPN calculator at the above link to try it out. Made in USA. Mine appears to be the third of four versions of the HP Over , were sold, vastly exceeding expectations. The HP 35 signaled the death of the slide rule. The TI 50 eventually competed with it with a significantly lower price but without the RPN preferred by many.

That's expensive, but HP calcualtors, both used and new, tend to be expensive. The description said it works, but it did not come with batteries or a charger to test it.

After some experimenting I got it to work with three 1. This closely approximates the 3. I did not do this for long and I don't know if this can cause injury or damage, so don't necessarily do what I did! With this arrangement you, of course, must charge the batteries outside the calculator in an appropriate battery charger.

Hewlett Packard 17b, financial calculator that belonged to my father-in-law. HP 95LX, not only has financial, scientific and graphing calculator capabilities, but also has built in text editing, a Lotus spreadsheet and appointment calendar. You can write or load your own programs. It was HP's first palmtop personal computer. Since it is really a general purpose computer, it is discussed further in the computer museum. Large photo. First introduced in , the HP 12c is still sold today!

According to ajc. The new on-line price at hp. This takes getting use to. See also Museum of HP Calculators. Good cosmetic and excellent working condition. No case or manual. USA stamped on the back with serial number A The 12c has been made in other countries but apparently the USA ones are the most valued. See Museum of HP Calculators. If anyone knows the approximate date of manufacture of my calculator, please e-mail me. HP 20s, solidly made non-RPN scientific calculator programmable by entering the key strokes.

It has customary-metric conversions, base conversions, and a program library of frequently used functions. The hp. It is in good working condition. The cosmetic condition is good except for a dent in the metal around the display. HP 6c, basic non-RPN scientifc calculator introduced in It is compact and well constructed with a metal case, although some complain that the keyboard is spongy.

It shares a similar design with the HP 12C financial calculator above. HP 10C Series - Wikipedia. The HP 15C was made from to While the HP 15C hasn't been made for over 20 years, it still has a following. Curiously, that's an average of 5. That site states the HP 15C is the best scientific calculator ever made by anyone for everyday use.

Reasons: It uses Reverse Polish Notation RPN which is more efficient and natural, it was the smallest RPN calculator made by HP, the keyboard feel is very close to perfect, the landscape keyboard layout where you press keys with your two thumbs is better than a portrait layout where you press keys with one index finger, it has great battery life, the owner's manual is top notch, and it is the coolest looking calculator ever made! It is in good working and cosmetic condition.

It was pretty dusty with some yellowing of the covering over the screen. It works fine, however. It did not come with the cover or manual. As explained at hpmuseum. It uses three 1. It's the same as the old one but up to X faster. Pretty cool - an electronic product being reintroduced after 22 years! The petition referred to above apparently worked! Canon Pocketronic, truly historic, the Pocketronic was the first pocket calculator.

For big pockets or hands - it's about 8" x 4" x 2". It is a direct product of Texas Instrument's "Cal-Tech" project. The Cal-Tech i. The project was completed in with several working prototypes. Texas Instruments sought out a manufacturer and Canon, noted for its cameras, was interested to increase it business machine business. The result was the Canon Pocketronic released in Japan in April I was in 7th grade.

It is very similar to the Texas Instruments prototypes including having a horizontal paper printout. It is powered by 13 rechargeable Ni-Cad batteries. The Cal-Tech program is discussed at the datamath site. On the left menu, click "History" and then "Datamath story". The datamath site also has a good article on the Canon Pocketronic which it describes as "the most important calculator in the history of Texas Instruments. Vintage Calculators also has an excellent article on the Pocketronic and the Cal Tech project.

See also Old Calculator Museum. It is in good cosmetic condition, but does not have the charger and therefore I do not know if it works. I assume the Ni-Cad batteries no longer function. It has an "Export Inspected by Canon, Tokyo" tag on the front. Canon Canola L circa large image www. According to Wikipedia an integrated circuit is a miniaturized electronic circuit etched onto a semiconductor material such as silicon.

A large scale integrated circuit has tens of thousands transistors per chip. See also webopedia. Describing the L as a breakthrough in technology, www. The L's display used Nixie tubes which are sort of like vacuum tubes with 10 layers inside, each representing one of the numerals See Wikipedia.

Each used progressively less power allowing more pocket sized devices. The Old Calculator Web Museum has a detailed discussion of the L including how the calculator sparked the interest of that Web site's author as a youngster in an eventual career in computer science.

I myself acquired an L because it reminded me of the electronic desktop calculator that was demonstrated by a speaker in my 8th grade math class. As indicated before, I was amazed at what the machine could do. I have no recollection of what brand or model of calculator it was, but it would have been the same vintage as an L John Wolf's Web Museum has an excellent display of early Canon desktop calculators including the L Be Calc has some excellent close-up photos the L components.

It lists a date of , a year earlier than other sites. Classroom Tech shows a somewhat similar Monroe made by Canon. It is in good working and operating condition with a cover and power cord. It is a very solid machine with a very clear LED screen and ten digits. It runs on either a NiCad battery pack or four AA batteries which fit into a removable holder. It has an analog battery meter. To charge the NiCad Battery pack you fit the calculator on a cradle apparently attaching it with a screw that fits in a screw mount on the calculator.

The screw mount happens to be the same size as a tripod mount; hence, it's the only calculator I know that mounts to a tripod! It is in near new cosmetic condition and operates perfectly. It includes the original box , manual and cover, all in excellent condition. It also comes with a battery holder for AA batteries as well as a NiCad battery pack. Both the holder and the separate NiCad pack look new with absolutely no corrosion.

It did not include the cradle for charging and AC operation, however. While made in Japan, the calculator uses Texas Instruments chips and display modules. Datamath says it uses a unique design with a "flexible foil pressed against a heavy metal sheet" avoiding solder joints. See datamath internal photos. In good cosmetic and operating condition although it does not have the paper tape to determine the quality of the print. It is apparently a current model selling through amazon.

Simple four functions. Top front slides open for the four AA batteries. Datamath also has an internal view. It has an Export sticker on the side. Includes case. Seller was nice enough to include 4 new batteries.

In near new cosmetic and working condition although front label is bubbled. Canon Palmtronic 8s, a very thin and stylish fluorescent display calculator. By this time LCD calculators were generally taking over. Excellent description and internal view at Vintage Technology and Datamath. In excellent cosmetic and working condition with case and instructions. Uses two AAA batteries. Uses 0. Commodore, a U. By the late s Commodore got out of the unprofitable calculator market to concentrate on computers, a market which itself became unprofitable for Commodore and others.

As indicated previously, my first scientific calculator was a Commodore, I believe Model No. SRR discussed at Vintage Technology. When returning Calculators under this warranty, you must pre-pay the shipping charges, if any, and enclose a complete explanation of the problem.

Calculators covered by this limited warranty will be repaired at Canon U. This warranty does not cover rechargeable batteries that may be supplied with the Calculator , as to which batteries there shall be no warranty or replacement. A listing of Canon U. The Canon U. Repairs not under warranty will be at such cost as Canon U.

This limited warranty covers all defects encountered in normal use of the calculators, and does not apply to the following cases:. This warranty gives you specific legal rights, and you may also have other rights.

Canon U. For all general inquiries, operational assistance, accessory orders or for the location of the nearest service facility for this product, please contact Canon U. Please keep a copy of your original bill of sale. In order to obtain warranty service, you will need to provide a copy of your original bill of sale from your consumer calculator retailer at the time of service. Also, please keep all packing materials and the original packing box to protect your equipment, should you need to transport it for service.

Community Join our Community to ask questions, share knowledge, and connect with others. My Canon. Products Home. Network Cameras Software Solutions. Security Solutions.