GB1078997A
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Electronic signal selector
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US3443079A
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Cascade multiplier
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US3296428A
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Electronic function generator
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US3280319A
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Electronic multiplier
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US3261971A
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Multivariate interpolating function generators
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GB1015904A
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Electronic function generator
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GB1003329A
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Cascade multipliers and squarers
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GB940676A
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Electronic analog multiplier
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GB939487A
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Sign discriminator for analogue multipliers
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GB939486A
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Input converter for analogue multipliers
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US3106639A
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Electronic function generator with interpolating resistors
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US3084862A
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Input converter and sign discriminator for multipliers
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