Web HP-15C emulator

STO

USER

GRAD

PRGM C

C

This emulator is supplied as is. Use it at your own risk! Always double-check important calculations by other means.

There are
some key bindings that make the emulator easier to use in typical usage.
**
Make sure the calculator is in focus (by clicking it) so it can receive the keystrokes.
**

- Numbers, decimal point/comma and arithmetic (+, -, * or x, / or :)
- 'x' is the same as '*' (multiplication)
- '=' equivalent to '+' (same key in most keyboards)
- Enter/Return or Space = ENTER
- Modifiers: (F, G, S, R) map to (f, g, STO, RCL) modifiers
- H = CHS (change sign)
- P = EEX
- A, B, C, D, E map to top-row keys: square, exponential, power of 10, power and reciprocal
- ! = also maps to power (y**x)
- \ = also maps to reciprocal (1/x)
- I, J, K map to trigonometric function keys (SIN, COS, TAN)
- Y = swap x with y (x<->y)
- N or down arrow = Rotate down stack (R-down)
- W = Add statistical tuple (sigma-plus key)
- O = On/Off key (toggles between American, European and Indian thousand/decimal separators)
- U = GSB key
- T = GTO key
- [ = R/S key
- ] = SST key
- ? = show memory dump (ugly HTML, mostly for debugging or plain curiosity)
- Z = correct typing (Backspace also works in some browsers)

In case you need help to use the advanced features of 15C, take a look on this quick reference guide . There are lots of good material in the Internet, including the full manuals.

If you prefer a simpler calculator (with the basic financial and arithmetic operations) or if you don't know the RPN notation, you can try this form-based calculator instead.

Also, try our version for Android and iPhone .

All rights reserved. It is
**
forbidden
**
to copy this calculator to other sites.
Write me if you have any doubts.

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