Fast entry of negative exponents m,u,n,p
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评估
调研方向
Start by locating the calculator's keyboard handling and the code that enters or exits the "E" shift state. Add the four specified mappings only while that state is active, and confirm each key returns the buttons to their normal function. Verify the existing calculator input behavior after implementing the feature.
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描述
Electronic eng involves a lot of small numbers, and entering the exponent is tiresome extra keystrokes, especially for pico, which is sadly all to common. Despite repeatedly writing to the government to ban or at least restrict pF capacitors, they continue to be widely sold and used.
I propose this key mapping, which I used in my free42:
When "E" has been pressed, and the sw is in the "E" shift state, then
"R" -> milli : E-03
"SIN" -> micro E-06
"COS" -> nano E-09
"TAN" ->pico E-12
This is only active in the "E" shift state.
As soon as one of the 4 buttons is pressed, it exits the "E" shift state (i.e. as if you had pressed "E" again), so the buttons resume their normal function.
- 主要语言
- C++
- 星标
- 25
- 派生
- 2
- PR 合并指标
- 30 天内没有已合并 PR
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