Loading README.org 0 → 100644 +34 −0 Original line number Diff line number Diff line * COMMENT -*- mode: org -*- #+Date: 2017-01-26 Time-stamp: <2017-01-26> * an RPN calculator implemented in HTML and client side javascript It can be used offline on platforms that support web service. It use a compute and UI model similar to emacs calc-mode. * UI --- stack --- Keyboard | --- trail --- | [ ] | | 7 8 9 < | | 4 5 6 * | | 1 2 3 - | | 0 / . + | | SWP UNDO RET | * features - totally event based - virtual keyboard - everything on the top of stack adds a record in trail window - show error when an event is invalid. not enough element, division by zero etc. - partial number input is in virtual display, press RET to send number to stack. - you can duplicate top value on stack using RET - you can swap top 2 values on stack using SWP - you can delete top value on stack using ← - you can undo using UNDO operational 0 → 100644 +24 −0 Original line number Diff line number Diff line * COMMENT -*- mode: org -*- #+Date: 2017-01-26 Time-stamp: <2017-01-26> #+STARTUP: content * notes :entry: * later :entry: * current :entry: ** ** 2017-01-26 make trail persistent trail is a sized fifo queue, it just store recent 1k entries. when multiple instances of calculator is working. they all write to a single trail cache. it's not a problem. ** 2017-01-26 make it work offline, add sw.js ** 2017-01-26 make undo work ** 2017-01-26 make stack auto numbering work ** 2017-01-26 make < (backspace) work. ** 2017-01-26 make basic things work. - draw the keyboard using HTML and CSS - make basic number input and arithmetic work - make DUP and SWP work - make trail work * done :entry: * wontfix :entry: Loading
README.org 0 → 100644 +34 −0 Original line number Diff line number Diff line * COMMENT -*- mode: org -*- #+Date: 2017-01-26 Time-stamp: <2017-01-26> * an RPN calculator implemented in HTML and client side javascript It can be used offline on platforms that support web service. It use a compute and UI model similar to emacs calc-mode. * UI --- stack --- Keyboard | --- trail --- | [ ] | | 7 8 9 < | | 4 5 6 * | | 1 2 3 - | | 0 / . + | | SWP UNDO RET | * features - totally event based - virtual keyboard - everything on the top of stack adds a record in trail window - show error when an event is invalid. not enough element, division by zero etc. - partial number input is in virtual display, press RET to send number to stack. - you can duplicate top value on stack using RET - you can swap top 2 values on stack using SWP - you can delete top value on stack using ← - you can undo using UNDO
operational 0 → 100644 +24 −0 Original line number Diff line number Diff line * COMMENT -*- mode: org -*- #+Date: 2017-01-26 Time-stamp: <2017-01-26> #+STARTUP: content * notes :entry: * later :entry: * current :entry: ** ** 2017-01-26 make trail persistent trail is a sized fifo queue, it just store recent 1k entries. when multiple instances of calculator is working. they all write to a single trail cache. it's not a problem. ** 2017-01-26 make it work offline, add sw.js ** 2017-01-26 make undo work ** 2017-01-26 make stack auto numbering work ** 2017-01-26 make < (backspace) work. ** 2017-01-26 make basic things work. - draw the keyboard using HTML and CSS - make basic number input and arithmetic work - make DUP and SWP work - make trail work * done :entry: * wontfix :entry:
