There is a notebook with a drawing of a math book

Close-up of notebook with pen and calculator, Mathematical inspiration, Math, The Art of Mathematics, calculus, Hand drawn, Calligraphy formulas, Math, The mystery of quotient, Inspired by Jaco Matilla, typographical experiments, Typography, six sided, Math, Fan art, Illustration daily deviation, handpainted, Hand-drawn

(nsfw:1.5),deformed, bad anatomy, disfigured, poorly drawn face, mutation, mutated, extra limb, ugly, disgusting, poorly drawn hands, missing limb, floating limbs, disconnected limbs, malformed hands, blurry, ((((mutated hands and fingers)))), watermark, watermarked, oversaturated, censored, distorted hands, amputation, missing hands, obese, doubled face, double hands, ((((black and white)))), ((((b&w))))