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RP1 Scientific Calculator in PHP

Posted: Mon Sep 04, 2023 11:16 am
by admin
RP1

(R)PN (P)HP 1

Based on the expression evaluation system for Net Basic, I made a nice calculator.
It has input for 26 variables that are persistent in the browser along with the expression.

https://lucidapogee.com/rp1

Re: RP1 Scientific Calculator in PHP

Posted: Fri Mar 15, 2024 9:08 am
by admin
Long awaited update!

Handling of negation has been improved.
Operations display is now complete and optional.
Hexidecimal notation and evaluation is now supported.
The # symbol inserts the last evaluation in an expression.
User interface has been improved.
Backend errors are fixed.