Setup and Hold Calculator

Calculate interface timing: setup time, hold time, clock-to-output, margins, etc!

Resistance Calculator

Calculate parallel resistances and standard resistor values.

RC Lowpass Calculator

Calculate cutoff frequency and response of a single-pole RC lowpass filter.

CRACKULATOR
A fast-fingered RPN-style calculator that manages numerical tolerances
Why?  How To  Keyboard Shortcuts
INPUT
exact
min
max
nom
+/-
STACK
digits: fmt: 
h:
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g:
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f:
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e:
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d:
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c:
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b:
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a:
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Copyright Fritz Capell 2010