[𝑛]❓🔡

#placeholder name #variable name #n-th term #mathematical variable #coding variable

𝒙=❓

#mathematical variable #algebra #equation #maths #programming variable

🇬🇷ε3️⃣

#epsilon letter #fifth letter greek #technical notation #mathematical variable #academic symbol

🤔n

#unknown n #variable n #find n #placeholder n #mathematical variable #value n