There are no weird letters in maths.
Greek mathematicians were responsible for a significant amount of the early mathematical work and they, naturally used Greek letters. Many of these letters are still used today. Just because you are not familiar with characters in the Greek alphabet does not make them "weird letters".
Math uses letters to indicate that specific numbers are not known or as an abbreviation for certain constant.
In ordinary everyday letters . . . pi In Greek letters . . . Π
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Letters used in math are called variables.
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contribute to math
Einstein was weird because even though he was so smart and a genius and all, he was terrible at math. That's why his wife did all his math for him. WOW!!!
Math uses letters to indicate that specific numbers are not known or as an abbreviation for certain constant.
there can be in a weird way i guess!
Satan put letters in math during the time period in which the emancipation proclamation was being signed
No, where do you get such weird ideas? You NEED math for physics and engineering!
you type
one word: hitman.
In ordinary everyday letters . . . pi In Greek letters . . . Π
No-some say the secrets of the universe will only be unlocked with advanced math as the key.
Trig
Variables