Jerry Merryman, Co-Inventor of the Pocket Calculator, Dies at 86 - The New York Times
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Melissa Merryman (@PolkadotCzech) / X
2019 deaths in the United States (January–June) - Wikiwand
Why is the pocket calculator a significant invention? - Quora
Final goodbye: Recalling influential people who died in 2019 – KGET 17
Final goodbye: Recalling influential people who died in 2019
Jerry Merryman, Inventor of the Pocket Calculator, Dies at 86
Final goodbye: Recalling influential people who died in 2019
Craig Brown, PhD on LinkedIn: Jerry Merryman, Co-Inventor of the
Melissa Merryman (@PolkadotCzech) / X
2019 deaths in the United States (January–June) - Wikiwand
Jerry Merryman, Inventor of the Pocket Calculator, Dies at 86