Do Not Differentiate Unless It's For Calculus 2 Year (24 Months) Weekly Planner & Daily Gratitude Diary - 110 Pages 8" x 10" This super funny & cute calculus joke says "do not differentiate unless it's for calculus" and is an amazing math themed joke for any math professors or teachers out there who love showing off the humorous side of the mathematics field Grab this hilarious calculus pun as a gift for anyone in your life who is obsessed with math jokes or is having fun in their calculus class this year Great for any kids who are learning to love math and laughing at calculus jokes This awesome 2020 & 2021 weekly planner is templated to give you room for planning, journaling notes, working on a to-do list & taking the time to write down your gratitudes for the day Perfect size for a backpack or to fit in your purse Amazing Christmas present idea for both men & women alike
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