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ЭЛЕКТРОНИКА (Elektronika) B3-26
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| Brand: | ЭЛЕКТРОНИКА (Elektronika). |
| Model: | B3-26. |
| Origin: | Ex Soviet Union. |
| Introduction: | 1977, this example was built in 1978. |
| Type: | Basic pocket-size calculator with dual AC operation and 4 AA batteries. |
| Functions: | 4-Basic function plus square root, percent, constant and memory. |
| Display: | 8 digit + Negative/Memory indication VFD display in 1 glass tube. |
| Keyboard: | 25 keys plus On/Off switch. |
| Main chips: | Unknown, not visible. |
| Logic comments: | Basic calculator with automatic constant in the 4
functions. Negative numbers are displayed with the "-" indication at the far left of the display. Overflow error is
shown with all decimal points on and is recoverable after pressing C. It is possible to compute a square root of a negative number,
do not raise an error, but the result is also a negative number. For example: Square root of -2 gives -1.4142... Non-zero memory
content is indicated with decimal point on on the first (left) digit. A brief description of each key: 0 to 9 and . (decimal point): Numerals and decimal point. /-/: Sign change. +, -, x, ÷: 4 basic functions. =: Equal key. C: Clear key. Square root: Most advanced function of this calc! %: Percent. <->: Exchange contents of registers X and Y. Useful in subtract and division to change the order of operators. П+: Memory Add. П-: Memory Subtract. ИП: Memory Recall. CП: Clear Memory. |
| Size: | 5.51 x 3.15 x 0.98 in, 140 x 80 x 25 mm. |
| Accesories: | Pouch. |
| Condition: | (9/10) Very Good, mint, working. |
| Download: | Elektronika B3-26 magazine advertisement of the soviet space era, click here. |
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