TI 57, Subtraction tree In this painting

In this painting

I used plants from my garden to block the UV rays and create unique

I created a heavily textured printing plate using mesh and carborundum

Mixed media (ink

and black painting is a cacophony of colors and shapes that each attempt to capture the viewers' attention

TI 57, Subtraction tree In this paintingBook pages, acrylic, ink, embroidery floss, thread, and charcoal 24" x 24" on cradled birch panel My parents were of the generation that used slide rulers to perform complex calculations. Calculators became available when I entered college, and everyone used Hewitt Packard 12Cs. (Does anyone else remember using reverse Polish notation?) My kids grew up with Texas Instrument calculators. So when I came across an old TI 57 calculator instruction