Common Questions
Inputs accept 0x / 0b / 0o prefixes. Spaces and underscores are ignored. BIN is fixed-width, so extra bits will show an error.
Support
DevCalc Help Center
Fast answers for Calc, Bits, Subnet, and Units. If something is off, tell us what you entered and what you expected.
Site: gatechlab.com/apps/devcalc/support/
Contact: [email protected]
Bits & Signed Mode
Signed display uses two's complement for 32- or 64-bit width. If a shift or mask looks wrong, verify the width toggle.
Subnet Edge Cases
/31 and /32 are special. The app shows host and broadcast behavior aligned with modern IPv4 rules.
Bug Reports
Include device model, iOS version, and steps to reproduce. Screenshots help a lot.
Support response target: within 2 business days.