Excel like a finance pro.
← The libraryPractice · 2 questions →
Engineering function
IMSUB
Returns the difference of two complex numbers.
Rarely usedDifficulty 1450 · AdvancedUsage rank #479 of 520
When to use it
Subtracts one complex number from another.
The shape of it
- Syntax
=IMSUB(inumber1, inumber2)
Worked examples
Simple
=IMSUB("13+4i","5+3i") → 8+i
Component-wise.
Mixed
=IMSUB("3","5i") → 3-5i
Real minus imaginary.
Zero
=IMSUB("1+i","1+i") → 0
A number minus itself.
Worth knowing
- Only two arguments; chain for more.
- Suffixes must match.
- Result is text.
Where it goes wrong
- #VALUE! for mismatched suffixes or invalid text.
- Uppercase suffixes fail.
Related
Learn the moves here — or let Wauvel run them on your numbers.
Meet your AI CFO →One CFO-grade Excel tip a week
A short, practical email for finance operators — functions, shortcuts, and the moves that save an afternoon. Free, unsubscribe anytime.