Correct me for any naivety or repeated questions. Here is the error:
Error - Album on Imgur
Relevant links:
[C] Calc.h - Pastebin.com
[C] UnusualFlow.c - Pastebin.com
[C] menu.c - Pastebin.com
[C] input.c - Pastebin.com
https://pastebin.com/9kAqL1fC