This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Simple past tense and past participle of miscalculate.

"Returned to jail after eight days after court ruled jail term miscalculated"

miscalculated    miscalculates    miscalculating   

misjudge    cypher    reckon    figure    calculate   

miscount    miscompute    misreckon   

calculate    recalculate